Laki, K., Kominz, D.R., Symonds, P., Lorand, L., AND Seegers, W.H.: The amino acid composition of bovine prothrombin. Arch. Biochem. , 49: 276, 1954.
5.
Miller, K.D. , AND Seegers, W.H.: The preparation of a carbohydrate fraction from prothrombin and its chemical nature. Arch. Biochem. , 60: 398, 1956.
6.
Seegers, W.H. : Activation of purified prothrombin. Proc. Soc. Exper. Biol. &Med., 72: 677, 1949.
7.
Lorand, L., Alkjaersig, N., AND Seegers, W.H.: Carbohydrate and nitrogen distribution during the activation of purified prothrombin in sodium citrate solution. Arch. Biochem., 45: 312, 1953.
8.
Alkjaersig, N., Abe, T., Johnson , S.A., AND Seegers, W.H.: An accelerator of prothrombin activation derived from prothrombin. Am. J. Physiol.,182: 443, 1955.
9.
Seegers, W.H. , AND Johnson, S.A.: Conversion of prothrombin to autoprothrombin II (platelet cofactor II) and its relation to the blood clotting mechanisms . Am. J. Physiol., 184: 259, 1956 .
10.
Mertz, E.T. , Seegers, W.H., AND Smith, H.P.: Inactivation of prothrombin by purified thrombin solutions. Proc. Soc. Exper. Biol. &Med., 41: 657, 1939.
11.
Johnson, S.A. , Mcclaughry, R.I., AND Seegers, W.H.: Nature of the blood clotting mechanisms in hemophilia. J. Michigan M. Soc.,54: 797, 1955.
12.
Deutsch, E. , Johnson, S.A., AND Seegers, W.H.: Differentiation of certain platelet factors related to blood coagulation. Circulation Res., 3: 110, 1955.
13.
Alkjaersig, N., Abe, T., AND Seegers, W.H.: Purification and quantitative determination of platelet factor 3. Am. J. Physiol., 181: 304, 1955 .
14.
Penner, J.A. , Duckert, F., Johnson , S.A., AND Seegers, W.H.: Conversion of prothrombin to autoprothrombin II. Canad. J. Biochem. & Physiol., in press.
15.
Johnson, S.A. , AND Seegers, W.H.: Studies on the plasma defect in hemophilia . Rev. Hémat., 9: 529, 1954.
16.
Rosenthal, R.L., Dreskin, O.H., and Rosenthal , N.: New hemophilialike disease caused by deficiency of a third plasma thromboplastin factor. Proc. Soc. Exper. Biol. &Med., 82: 171, 1953.
17.
Deutsch, E.: Blutgerinnungsfaktoren. Franz Deuticke, Wien, 1955.
18.
Owren, P.A.: The Coagulation of Blood. Gundersen, Oslo, 1947.
19.
Hjort, P., Rapaport, S.I., AND Owren, P.A.: Evidence that platelet accelerator (platelet factor I) is adsorbed plasma proaccelerin. Blood, 10: 1139, 1955 .
20.
Alexander, B., Goldstein, R., Landwehr , G., AND Cook, C.D.: Congenital SPCA deficiency: A hitherto unrecognized coagulation defect with hemorrhage rectified by serum and serum fractions. J. Clin. Invest., 30: 596, 1951.
21.
Aggeler, P.M. , White, S.G., Glendening , M.B., Page, E.W., Leake, T.B., AND Bates, G.: Plasma thromboplastin component (PTC) deficiency: A new disease resembling hemophilia. Proc. Soc. Exper. Biol. &Med., 79: 692, 1952.
22.
Biggs, R., Douglas, A.S., Macfarlane, R.G., Dacie, J.V., Pitney, W.R.Merskey, C., AND O'Brien, J.R.: Christmas disease; a condition previously mistaken for haemophilia . Brit. M. J., 2: 1378, 1952.
23.
Johnson, S.A. , AND Seegers, W.H.: The reduction of autoprothrombin II activity with dicumarol. Circulation Res., 5: 182, 1956.
